TY - BOOK AU - Bayo,Francisco Roberto ED - E.U.A. Department of Health, Education and Welfare TI - United States population projections for OASDHI cost estimates U1 - 368.40973 21 PY - 1974/// CY - Washington PB - SSA. Office of Actuary KW - Población KW - Estadísticas KW - Estados Unidos KW - Seguridad social KW - Costos KW - Old-Age and Survivors Insurance System ER -